commands.public_key_operations Namespace Reference

Functions
None	public_key_information (SigningKey key, Optional[str] public_key_file, Optional[str] evidence_file)

Function Documentation

public_key_information()

None commands.public_key_operations.public_key_information	(	SigningKey	key,
		Optional[str]	public_key_file,
		Optional[str]	evidence_file
	)

Print (and optionally save) public information about a private key.

Definition at line 19 of file public_key_operations.py.

def public_key_information(
        key: SigningKey,
        public_key_file: Optional[str],
        evidence_file: Optional[str]) -> None:
    """
    Print (and optionally save) public information about a private key.
    """
 
    if public_key_file and exists(public_key_file):
        raise Exception("public key file already exists")
    if evidence_file and exists(evidence_file):
        raise Exception("evidence file already exists")
 
    pub_key = get_verification_key(key)
    key_evidence = create_key_evidence(key)
    pub_key_str = export_verification_key(pub_key)
    evidence_str = export_signature(key_evidence)
 
    if public_key_file:
        with open(public_key_file, "w") as pk_f:
            pk_f.write(pub_key_str)
    if evidence_file:
        with open(evidence_file, "w") as ev_f:
            ev_f.write(evidence_str)
 
    print("Public Verification Key:")
    print(pub_key_str)
    print("\nKey Evidence:")
    print(evidence_str)

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